var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance   */

function hex_md5(s: any) {
  return rstr2hex(rstr_md5(str2rstr_utf8(s)));
}
function b64_md5(s: any) {
  return rstr2b64(rstr_md5(str2rstr_utf8(s)));
}
function any_md5(s: any, e: any) {
  return rstr2any(rstr_md5(str2rstr_utf8(s)), e);
}
function hex_hmac_md5(k: any, d: any) {
  return rstr2hex(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)));
}
function b64_hmac_md5(k: any, d: any) {
  return rstr2b64(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)));
}
function any_hmac_md5(k: any, d: any, e: any) {
  return rstr2any(rstr_hmac_md5(str2rstr_utf8(k), str2rstr_utf8(d)), e);
}
function md5_vm_test() {
  return hex_md5("abc").toLowerCase() == "900150983cd24fb0d6963f7d28e17f72";
}
function rstr_md5(s: any) {
  return binl2rstr(binl_md5(rstr2binl(s), s.length * 8));
}
function rstr_hmac_md5(key: any, data: any) {
  var bkey = rstr2binl(key);
  if (bkey.length > 16) bkey = binl_md5(bkey, key.length * 8);
  var ipad = Array(16),
    opad = Array(16);
  for (var i = 0; i < 16; i++) {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5c5c5c5c;
  }
  var hash = binl_md5(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
  return binl2rstr(binl_md5(opad.concat(hash), 512 + 128));
}
function rstr2hex(input: any) {
  try {
    hexcase;
  } catch (e) {
    hexcase = 0;
  }
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var output = "";
  var x;
  for (var i = 0; i < input.length; i++) {
    x = input.charCodeAt(i);
    output += hex_tab.charAt((x >>> 4) & 0x0f) + hex_tab.charAt(x & 0x0f);
  }
  return output;
}
function rstr2b64(input: any) {
  try {
    b64pad;
  } catch (e) {
    b64pad = "";
  }
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var output = "";
  var len = input.length;
  for (var i = 0; i < len; i += 3) {
    var triplet =
      (input.charCodeAt(i) << 16) |
      (i + 1 < len ? input.charCodeAt(i + 1) << 8 : 0) |
      (i + 2 < len ? input.charCodeAt(i + 2) : 0);
    for (var j = 0; j < 4; j++) {
      if (i * 8 + j * 6 > input.length * 8) output += b64pad;
      else output += tab.charAt((triplet >>> (6 * (3 - j))) & 0x3f);
    }
  }
  return output;
}
function rstr2any(input: any, encoding: any) {
  var divisor = encoding.length;
  var i, j, q, x, quotient;
  var dividend = Array(Math.ceil(input.length / 2));
  for (i = 0; i < dividend.length; i++) {
    dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
  }
  var full_length = Math.ceil((input.length * 8) / (Math.log(encoding.length) / Math.log(2)));
  var remainders = Array(full_length);
  for (j = 0; j < full_length; j++) {
    quotient = Array();
    x = 0;
    for (i = 0; i < dividend.length; i++) {
      x = (x << 16) + dividend[i];
      q = Math.floor(x / divisor);
      x -= q * divisor;
      if (quotient.length > 0 || q > 0) quotient[quotient.length] = q;
    }
    remainders[j] = x;
    dividend = quotient;
  }
  var output = "";
  for (i = remainders.length - 1; i >= 0; i--) output += encoding.charAt(remainders[i]);

  return output;
}
function str2rstr_utf8(input: any) {
  var output = "";
  var i = -1;
  var x, y;

  while (++i < input.length) {
    x = input.charCodeAt(i);
    y = i + 1 < input.length ? input.charCodeAt(i + 1) : 0;
    if (0xd800 <= x && x <= 0xdbff && 0xdc00 <= y && y <= 0xdfff) {
      x = 0x10000 + ((x & 0x03ff) << 10) + (y & 0x03ff);
      i++;
    }
    if (x <= 0x7f) output += String.fromCharCode(x);
    else if (x <= 0x7ff)
      output += String.fromCharCode(0xc0 | ((x >>> 6) & 0x1f), 0x80 | (x & 0x3f));
    else if (x <= 0xffff)
      output += String.fromCharCode(
        0xe0 | ((x >>> 12) & 0x0f),
        0x80 | ((x >>> 6) & 0x3f),
        0x80 | (x & 0x3f),
      );
    else if (x <= 0x1fffff)
      output += String.fromCharCode(
        0xf0 | ((x >>> 18) & 0x07),
        0x80 | ((x >>> 12) & 0x3f),
        0x80 | ((x >>> 6) & 0x3f),
        0x80 | (x & 0x3f),
      );
  }
  return output;
}
function str2rstr_utf16le(input: any) {
  var output = "";
  for (var i = 0; i < input.length; i++)
    output += String.fromCharCode(input.charCodeAt(i) & 0xff, (input.charCodeAt(i) >>> 8) & 0xff);
  return output;
}
function str2rstr_utf16be(input: any) {
  var output = "";
  for (var i = 0; i < input.length; i++)
    output += String.fromCharCode((input.charCodeAt(i) >>> 8) & 0xff, input.charCodeAt(i) & 0xff);
  return output;
}
function rstr2binl(input: any) {
  var output = Array(input.length >> 2);
  for (var i = 0; i < output.length; i++) output[i] = 0;
  for (var i = 0; i < input.length * 8; i += 8)
    output[i >> 5] |= (input.charCodeAt(i / 8) & 0xff) << i % 32;
  return output;
}
function binl2rstr(input: any) {
  var output = "";
  for (var i = 0; i < input.length * 32; i += 8)
    output += String.fromCharCode((input[i >> 5] >>> i % 32) & 0xff);
  return output;
}
function binl_md5(x: any, len: any) {
  x[len >> 5] |= 0x80 << len % 32;
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a = 1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d = 271733878;

  for (var i = 0; i < x.length; i += 16) {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
    d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
    b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
    d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
    c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
    d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
    d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);

    a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
    d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
    c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
    b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
    d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
    c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
    d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
    c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
    a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
    d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
    c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
    b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
    d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
    b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
    d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
    c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
    d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
    a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
    d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
    b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
    d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
    c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
    d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
    d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
    a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
    d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
    b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);
}
function md5_cmn(q: any, a: any, b: any, x: any, s: any, t: any) {
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
}
function md5_ff(a: any, b: any, c: any, d: any, x: any, s: any, t: any) {
  return md5_cmn((b & c) | (~b & d), a, b, x, s, t);
}
function md5_gg(a: any, b: any, c: any, d: any, x: any, s: any, t: any) {
  return md5_cmn((b & d) | (c & ~d), a, b, x, s, t);
}
function md5_hh(a: any, b: any, c: any, d: any, x: any, s: any, t: any) {
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a: any, b: any, c: any, d: any, x: any, s: any, t: any) {
  return md5_cmn(c ^ (b | ~d), a, b, x, s, t);
}
function safe_add(x: any, y: any) {
  var lsw = (x & 0xffff) + (y & 0xffff);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xffff);
}
function bit_rol(num: any, cnt: any) {
  return (num << cnt) | (num >>> (32 - cnt));
}
function md5(str: any) {
  return hex_md5(str);
}

export { md5 };

/* module.exports = {
	md5: function (str) {
		return hex_md5(str);
	},
}; */
